Wall cap extrusion for a building structure



FIG. 1 is a perspective view of a wall cap extrusion to which the design has been applied;

FIG. 2 is an end elevational view of the wall cap extrusion;

FIG. 3 is a rear elevational view of the wall cap extrusion;

FIG. 4 is a plan view looking up from underneath the wall cap extrusion;

FIG. 5 is a front elevational view of the wall cap extrusion; and,

FIG. 6 is a top plan view of the wall cap extrusion.

It is understood that the wall cap extrusion for a building structure shown is of indeterminate length. 

The ornamental design for a wall cap extrusion for a building structure, as shown and described. 